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Secunia Advisory SA25362

GD Graphics Library Truncated PNG Data Denial of Service
Secunia Advisory SA25362
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Release Date 2007-05-22
   
Popularity 8,572 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact DoS
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Workaround
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Software:
GD Graphics Library 2.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2007-2756 CVSS available in Customer Area
  

Description

Xavier Roche has reported a vulnerability in GD Graphics Library, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to the incorrect use of libpng within the function "gdPngReadData()" when processing truncated data. This can be exploited to cause an infinite loop by e.g. tricking an application using the library to process a specially crafted file.

The vulnerability is reported in version 2.0.34. Other versions may also be affected.


Solution
Apply patch.
Further details available in Customer Area

Provided and/or discovered by
Xavier Roche

Original Advisory
http://bugs.libgd.org/?do=details&task_id=86

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: GD Graphics Library Truncated PNG Data Denial of Service
 
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